$PHOT photon

Latest papers

1. Stimulated Axion Decay around Primordial Black Holes and the Diffuse Radio Background hep-ph · 06 Nov · 5 hits

   …at the innermost stable circular orbit. We derive local Boltzmann equations for the number densities of photons and axions, including spontaneous and stimulated decay, inverse decay, photon escape, and axion…

2. Time- and phase-resolved emulation of sign-selective counterdiabatic dynamics in a superconducting qutrit quant-ph · 06 Nov · 2 hits

   …of handedness. We emulate this mechanism in a superconducting transmon qutrit using two resonant single-photon drives and a phase-controlled effective two-photon drive. Effective loop phases \(\Phi_L=+\pi/2\) and…

3. Modeling of the X-ray Flux and Polarization Energy Spectra of Black Hole X-Ray Binaries with the KerrC Code astro-ph.HE · 06 Nov · 4 hits

   …of variable geometry and physical properties. Crucially, the reflection of both primary disk and Comptonized photons is treated self-consistently utilizing the xillver reflection tables, and the polarization 4-vectors…

4. Twist-3 and flavor-singlet contributions to $\gamma\gamma\to\pi^{0}\eta^{(\prime)}$ and $\eta^{(\prime)}\eta^{(\prime)}$ in $k_{T}$ factorization hep-ph · 06 Nov · 1 hit

   We study two-photon production of the pseudoscalar pairs $\pi^{0}\eta$, $\pi^{0}\eta^{\prime}$, $\eta\eta$,…

5. Modulation Induced Memory Resonances in Dynamically Driven Optical Cavities physics.optics · 05 Nov · 1 hit

   …gives rise to pronounced hysteretic behavior, revealing memory effects associated with the finite photon lifetime of the cavity. By quantifying the hysteresis area as a function of modulation frequency, we…

6. Room-Temperature Quantum Emission from Boron Nitride Nanotubes quant-ph · 05 Nov · 2 hits

   …as quantum key distribution and quantum communications require bright, high-purity, stable sources of single photons to act as carriers of quantum information. As such, methods for obtaining single photon emitters…

7. Quantum enhanced beam displacement estimation: sensitivity limits, optimal probes, and measurement schemes quant-ph · 05 Nov · 2 hits

   …different resource constraints, using Hermite-Gauss and Laguerre-Gauss mode pairs. First, for fixed total photon number states, the optimal state is identified and we show that it asymptotically approaches a rotated…

8. Torsion talks only to spin: the CMB temperature as a test of energy exchange in Einstein-Cartan cosmology gr-qc · 05 Nov · 2 hits

   …fitted to DESI DR2 distributes the exchange ``universally'' among all fluids, radiation included; the photons then gain almost a third of their energy. If the photons stay a blackbody, as FIRAS requires of any…